In insemination, the estrus sow is rushed to the side of a sexually mature boar. In the middle, the sow sees the boar and smells the smell of the boar, but cannot accept the boar to cross the mat. However, under the stimulation of boars, placing sandbags on the sow's back, the sow will be very stable, and the "standing reflection" will become more apparent, which will facilitate the insemination operation. At this point, first use 0.1% potassium permanganate solution to clean the sow's cunt and surrounding dirt. Clean the sow's vulva with high-temperature sterilization towel and clean water, and open the sow's vulva. Then dry the sow vamp with a hygroscopic toilet paper and insert the lubricated, disposable embolization tubing. Simulating the vas deferens causes the uterus to wriggle and put on the semen bottle. The sow will suck the semen autonomously without having to squeeze the semen bottle and reduce semen backflow. After the end of insemination, the vas deferens should not be pulled out immediately, but the end of the vas deferens should be closed off. Insert the empty plastic semen bottle after the discount, and finally allow the sow to discharge the vas deferens autonomously. This can significantly reduce semen backflow. After insemination, the sow's back should not be beaten as much as the local pig's insemination.
After finishing the insemination, we must strengthen the feeding and management of sows, mainly to do a good job of "flow prevention and miscarriage" work. Allow the sow to rest quietly and not whip or scare the sow. Pay attention to the sow's cold and heatstroke prevention, keep the pens dry and sanitary, and do a good job of preventing and controlling diseases.

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